[Bug 1605459] Re: package update-notifier-common 3.168.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

Setting up update-notifier-common (3.168.1) ...
Traceback (most recent call last):
  File "/usr/lib/update-notifier/package-data-downloader", line 24, in <module>
    import debian.deb822
ImportError: No module named 'debian'
dpkg: error processing package update-notifier-common (--configure):
 subprocess installed post-installation script returned error exit status 1

Why is /usr/lib/python3/dist-packages/debian/deb822.py missing from your
system?

** Changed in: update-notifier (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1605459

Title:
  package update-notifier-common 3.168.1 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1

Status in update-notifier package in Ubuntu:
  Incomplete

Bug description:
  system error alert upon the booting of xubuntu.

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: update-notifier-common 3.168.1
  ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
  Uname: Linux 4.4.0-31-generic x86_64
  NonfreeKernelModules: vboxpci vboxnetadp vboxnetflt vboxdrv nvidia_uvm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  Date: Fri Jul 22 04:15:04 2016
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  PackageArchitecture: all
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.1
   apt  1.2.12~ubuntu16.04.1
  SourcePackage: update-notifier
  Title: package update-notifier-common 3.168.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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